Dan Gutfreund Ronen Shaltiel Amnon Ta-Shma Uniform hardness vs. randomness tradeoffs for Arthur-Merlin games. 33-47 2003 conf/coco/2003 IEEE Conference on Computational Complexity http://csdl.computer.org/comp/proceedings/complexity/2003/1879/00/18790033abs.htm db/conf/coco/coco2003.html#Gutfreund03