%% You should probably cite rfc2481 instead of this I-D.
@techreport{kksjf-ecn-03,
    number =    {draft-kksjf-ecn-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-kksjf-ecn/03/},
    author =    {Dr. K. K. Ramakrishnan and Sally Floyd},
    title =     {{A Proposal to add Explicit Congestion Notification (ECN) to IP}},
    pagetotal = 25,
    year =      1998,
    month =     oct,
    day =       27,
    abstract =  {This note describes a proposed addition of ECN (Explicit Congestion Notification) to IP. This memo defines an Experimental Protocol for the Internet community.},
}