@misc{cryptoeprint:2014:073,
    author = {Joel Alwen and Martin Hirt and Ueli Maurer and Arpita Patra and Pavel Raykov},
    title = {Anonymous Authentication with Shared Secrets},
    howpublished = {Cryptology ePrint Archive, Report 2014/073},
    year = {2014},
    url = {https://eprint.iacr.org/2014/073},
}