@misc{cryptoeprint:2012:013,
    author = {Qichun Wang and Thomas Johansson},
    title = {Higher Order Algebraic Attacks on Stream Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2012/013},
    year = {2012},
    url = {http://eprint.iacr.org/2012/013},
}