Zheng Yuan Wei Wang Keting Jia Guangwu Xu Xiaoyun Wang New Birthday Attacks on Some MACs Based on Block Ciphers. 209-230 2009 CRYPTO http://dx.doi.org/10.1007/978-3-642-03356-8_13 conf/crypto/2009 db/conf/crypto/crypto2009.html#YuanWJXW09