%% You should probably cite rfc1962 instead of this I-D.
@techreport{ietf-pppext-compression-04,
    number =    {draft-ietf-pppext-compression-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-compression/04/},
    author =    {David Rand},
    title =     {{The PPP Compression Control Protocol (CCP)}},
    pagetotal = 9,
    year =      1994,
    month =     mar,
    day =       10,
    abstract =  {This document defines a method for negotiating data compression over PPP links. {[}STANDARDS-TRACK{]}},
}