Vipul Goyal Ryan Moriarty Rafail Ostrovsky Amit Sahai Concurrent Statistical Zero-Knowledge Arguments for NP from One Way Functions. 444-459 2007 ASIACRYPT http://dx.doi.org/10.1007/978-3-540-76900-2_27 db/conf/asiacrypt/asiacrypt2007.html#GoyalMOS07