Yan Zong Ding Danny Harnik Alon Rosen Ronen Shaltiel Constant-Round Oblivious Transfer in the Bounded Storage Model. 446-472 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2951&spage=446 2004 conf/tcc/2004 TCC db/conf/tcc/tcc2004.html#DingHRS04