@misc{cryptoeprint:2005:131,
    author = {Ratna Dutta and Rana Barua},
    title = {Dynamic Group Key Agreement in Tree-Based Setting},
    howpublished = {Cryptology ePrint Archive, Report 2005/131},
    year = {2005},
    url = {http://eprint.iacr.org/2005/131},
}