Ah, the green papers have the rules:
http://www.thegreenpapers.com/P12/R-Alloc.phtml
Bonus Delegates
President: States casting a majority of their 2008 Electoral Votes for the Republican Candidate receive 4.5 + 0.60 × the Jurisdiction's Total 2012 Electoral Vote in bonus delegates. Should the District of Columbia cast the majority of their electoral votes for the Republican Candidate, the District will receive 4.5 + (0.30 × 16) in bonus delegates. Round any fractions UP to the next whole number. [Rules 13(a)(5) and 13(a)(7)]
U.S. Senate: Award 1 bonus delegate for each Republican Senator elected in the 6 year period between January 1, 2006 and December 31, 2011. Limit 2. [Rule 13(a)(6)]
Governor States electing a Republican Governor between January 1, 2008 and December 31, 2011 receive 1 bonus delegate. Limit: 1. [Rule 13(a)(5)(i)]
U.S. House: States electing Republicans to 50% or more of their U.S. House seats between January 1, 2008 and December 31, 2011 receive 1 bonus delegate. Limit 1. [Rule 13(a)(5)(ii)]
One Chamber: States electing a Republican majority to one chamber of the state legislature (OR the legislature is presided over by a Republican) between January 1, 2008 and December 31, 2011 receive 1 bonus delegate. Limit 1. [Rule 13(a)(5)(iii)]
All Chambers: States electing a Republican majority to all chambers of the state legislature (OR all chambers are presided over by a Republican) between January 1, 2008 and December 31, 2011 receive 1 bonus delegate. Limit 1. [Rule 13(a)(5)(iv)]