%% You should probably cite rfc2759 instead of this I-D.
@techreport{ietf-pppext-mschap-v2-04,
    number =    {draft-ietf-pppext-mschap-v2-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-pppext-mschap-v2/04/},
    author =    {Glen Zorn},
    title =     {{Microsoft PPP CHAP Extensions, Version 2}},
    pagetotal = 20,
    year =      1999,
    month =     oct,
    day =       7,
    abstract =  {This document describes version two of Microsoft's PPP CHAP dialect (MS-CHAP-V2). MS-CHAP-V2 is similar to, but incompatible with, MS-CHAP version one (MS-CHAP-V1). This memo provides information for the Internet community.},
}