@misc{cryptoeprint:2010:235,
    author = {Rainer Steinwandt and Adriana Suárez Corona},
    title = {Attribute-based group key establishment},
    howpublished = {Cryptology ePrint Archive, Report 2010/235},
    year = {2010},
    url = {http://eprint.iacr.org/2010/235},
}