@misc{cryptoeprint:2020:935,
    author = {Davide Andreoletti and Omran Ayoub and Silvia Giordano and Massimo Tornatore and Giacomo Verticale},
    title = {Privacy-Preserving Multi-Operator Contact Tracing for Early Detection of Covid19 Contagions},
    howpublished = {Cryptology ePrint Archive, Report 2020/935},
    year = {2020},
    url = {https://eprint.iacr.org/2020/935},
}