@misc{cryptoeprint:2014:607,
    author = {Daniel Slamanig and Raphael Spreitzer and Thomas Unterluggauer},
    title = {Adding Controllable Linkability to Pairing-Based Group Signatures For Free},
    howpublished = {Cryptology ePrint Archive, Report 2014/607},
    year = {2014},
    url = {https://eprint.iacr.org/2014/607},
}