@misc{cryptoeprint:2008:169,
    author = {Côme Berbain and Aline Gouget and Hervé Sibert},
    title = {Understanding Phase Shifting Equivalent Keys and Exhaustive Search},
    howpublished = {Cryptology ePrint Archive, Report 2008/169},
    year = {2008},
    url = {http://eprint.iacr.org/2008/169},
}