%% You should probably cite rfc2878 instead of this I-D.
@techreport{ietf-pppext-bcp-04,
    number =    {draft-ietf-pppext-bcp-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-bcp/04/},
    author =    {Fred Baker and Mitsuru Higashiyama},
    title =     {{PPP Bridging Control Protocol (BCP)}},
    pagetotal = 38,
    year =      2000,
    month =     may,
    day =       1,
    abstract =  {This document defines the Network Control Protocol for establishing and configuring Remote Bridging for PPP links. {[}STANDARDS-TRACK{]}},
}