@misc{cryptoeprint:2002:009,
    author = {Yongdae Kim and Adrian Perrig and Gene Tsudik},
    title = {Tree-based Group Key Agreement},
    howpublished = {Cryptology ePrint Archive, Report 2002/009},
    year = {2002},
    url = {http://eprint.iacr.org/2002/009},
}