@misc{cryptoeprint:2006:380,
    author = {Einar Mykletun and Gene Tsudik},
    title = {On Security of Sovereign Joins},
    howpublished = {Cryptology ePrint Archive, Report 2006/380},
    year = {2006},
    url = {http://eprint.iacr.org/2006/380},
}