Danny Harnik Yuval Ishai Eyal Kushilevitz How Many Oblivious Transfers Are Needed for Secure Multiparty Computation? 284-302 2007 conf/crypto/2007 CRYPTO http://dx.doi.org/10.1007/978-3-540-74143-5_16 db/conf/crypto/crypto2007.html#HarnikIK07