@misc{cryptoeprint:2012:591,
    author = {Farzaneh Abed and Christian Forler and Eik List and Stefan Lucks and Jakob Wenzel},
    title = {Biclique Cryptanalysis of the PRESENT and LED Lightweight Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2012/591},
    year = {2012},
    url = {http://eprint.iacr.org/2012/591},
}