@misc{cryptoeprint:2009:126,
    author = {Siamak F Shahandashti and Reihaneh Safavi-Naini},
    title = {Threshold Attribute-Based Signatures and Their Application to Anonymous Credential Systems},
    howpublished = {Cryptology ePrint Archive, Report 2009/126},
    year = {2009},
    url = {http://eprint.iacr.org/2009/126},
}