@misc{cryptoeprint:2010:024,
    author = {Dima Grigoriev and Vladimir Shpilrain},
    title = {Authentication schemes from actions on graphs, groups, or rings},
    howpublished = {Cryptology ePrint Archive, Report 2010/024},
    year = {2010},
    url = {http://eprint.iacr.org/2010/024},
}