@misc{cryptoeprint:2011:356,
    author = {Ayoub Otmani and Jean-Pierre Tillich},
    title = {An Efficient Attack on All Concrete KKS Proposals},
    howpublished = {Cryptology ePrint Archive, Report 2011/356},
    year = {2011},
    url = {http://eprint.iacr.org/2011/356},
}