@misc{cryptoeprint:2011:634,
    author = {Mohammad Sabzinejad Farash and Mahmoud Ahmadian Attari and Majid Bayat1},
    title = {Security of Multiple-Key Agreement Protocols and Propose an Enhanced Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2011/634},
    year = {2011},
    url = {http://eprint.iacr.org/2011/634},
}