%% You should probably cite rfc2433 instead of this I-D.
@techreport{ietf-pppext-mschap-00,
    number =    {draft-ietf-pppext-mschap-00},
    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/00/},
    author =    {Glen Zorn and Steve Cobb},
    title =     {{Microsoft PPP CHAP Extensions}},
    pagetotal = 20,
    year =      1998,
    month =     mar,
    day =       11,
    abstract =  {The Point-to-Point Protocol (PPP) provides a standard method for transporting multi-protocol datagrams over point-to-point links. PPP defines an extensible Link Control Protocol and a family of Network Control Protocols (NCPs) for establishing and configuring different network-layer protocols. This memo provides information for the Internet community.},
}