@misc{cryptoeprint:2012:169,
    author = {Xiaopei Guo,  Kejian Xu,  Tongsen Sun and  Xiubin Fan},
    title = {Analysis of Minimum  Numbers of Linearly  Active S-Boxes of a Class of Generalized Feistel Block Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2012/169},
    year = {2012},
    url = {http://eprint.iacr.org/2012/169},
}