Mats Näslund Igor Shparlinski William Whyte On the Bit Security of NTRUEncrypt. 62-70 2003 conf/pkc/2003 Public Key Cryptography http://link.springer.de/link/service/series/0558/bibs/2567/25670062.htm db/conf/pkc/pkc2003.html#NaslundSW03