A Combinatorial Approach to Deriving Lower Bounds for Perfectly Secure Oblivious Transfer Reductions.

Kaoru Kurosawa Wataru Kishimoto Takeshi Koshiba A Combinatorial Approach to Deriving Lower Bounds for Perfectly Secure Oblivious Transfer Reductions. 2566-2571 2008 54 IEEE Transactions on Information Theory 6 http://dx.doi.org/10.1109/TIT.2008.921704 db/journals/tit/tit54.html#KurosawaKK08