%% You should probably cite rfc3291 instead of this I-D.
@techreport{ietf-ops-rfc2851-update-06,
    number =    {draft-ietf-ops-rfc2851-update-06},
    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-ops-rfc2851-update/06/},
    author =    {Brian Haberman and Mike Daniele and Jürgen Schönwälder and Brian Haberman and Shawn A. Routhier},
    title =     {{Textual Conventions for Internet Network Addresses}},
    pagetotal = 20,
    year =      2001,
    month =     dec,
    day =       17,
    abstract =  {This MIB module defines textual conventions to represent commonly used Internet network layer addressing information. The intent is that these textual conventions (TCs) will be imported and used in MIB modules that would otherwise define their own representations. {[}STANDARDS-TRACK{]}},
}