@misc{cryptoeprint:2018:742,
    author = {Hiroaki Anada and Seiko Arita},
    title = {Witness-Indistinguishable Arguments with $\Sigma$-Protocols for Bundled Witness Spaces and its Application to Global Identities},
    howpublished = {Cryptology ePrint Archive, Report 2018/742},
    year = {2018},
    url = {https://eprint.iacr.org/2018/742},
}