%% You should probably cite rfc3772 instead of this I-D.
@techreport{ietf-pppext-vendor-protocol-02,
    number =    {draft-ietf-pppext-vendor-protocol-02},
    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-vendor-protocol/02/},
    author =    {James D. Carlson and Richard Winslow},
    title =     {{Point-to-Point Protocol (PPP) Vendor Protocol}},
    pagetotal = 10,
    year =      2004,
    month =     feb,
    day =       12,
    abstract =  {The Point-to-Point Protocol (PPP) defines a Link Control Protocol (LCP) and a method for negotiating the use of multi-protocol traffic over point-to-point links. The PPP Vendor Extensions document adds vendor-specific general-purpose Configuration Option and Code numbers. This document extends these features to cover vendor-specific Network, Authentication, and Control Protocols. {[}STANDARDS-TRACK{]}},
}