@misc{cryptoeprint:2006:242,
    author = {Haina Zhang , Shaohui Wang, Xiaoyun Wang},
    title = {The Probability Advantages of Two Linear Expressions in Symmetric Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2006/242},
    year = {2006},
    url = {http://eprint.iacr.org/2006/242},
}