@misc{rfc1938,
    series =    {Request for Comments},
    number =    1938,
    howpublished =  {RFC 1938},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC1938},
    url =       {https://www.rfc-editor.org/info/rfc1938},
    author =    {Neil M. Haller and Craig Metz},
    title =     {{A One-Time Password System}},
    pagetotal = 18,
    year =      1996,
    month =     may,
    abstract =  {This document describes a one-time password authentication system (OTP). {[}STANDARDS-TRACK{]}},
}