Benny Applebaum Yuval Ishai Eyal Kushilevitz Cryptography in NC<sup>0</sup>. 166-175 2004 conf/focs/2004 FOCS http://doi.ieeecomputersociety.org/10.1109/FOCS.2004.20 db/conf/focs/focs2004.html#ApplebaumIK04