@misc{cryptoeprint:2008:177,
    author = {Martin Albrecht and Carlos Cid},
    title = {Algebraic Techniques in Differential Cryptanalysis},
    howpublished = {Cryptology ePrint Archive, Report 2008/177},
    year = {2008},
    url = {http://eprint.iacr.org/2008/177},
}