@misc{cryptoeprint:2011:307,
    author = {ZiJie Xu    and    Ke Xu},
    title = {Differential Cryptanalysis data-dependent circular shift},
    howpublished = {Cryptology ePrint Archive, Report 2011/307},
    year = {2011},
    url = {http://eprint.iacr.org/2011/307},
}