@misc{cryptoeprint:2005:279, author = {Bao Li and Hongda Li and Guangwu Xu and Haixia Xu}, title = {Efficient reduction of 1 out of $n$ oblivious transfers in random oracle model}, howpublished = {Cryptology ePrint Archive, Report 2005/279}, year = {2005}, url = {http://eprint.iacr.org/2005/279}, }