@misc{cryptoeprint:2010:587,
    author = {Bartosz Przydatek and Douglas Wikstr{\"o}m},
    title = {Group Message Authentication},
    howpublished = {Cryptology ePrint Archive, Report 2010/587},
    year = {2010},
    url = {http://eprint.iacr.org/2010/587},
}