%% You should probably cite rfc4127 instead of this I-D.
@techreport{ietf-tewg-diff-te-russian-07,
    number =    {draft-ietf-tewg-diff-te-russian-07},
    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-tewg-diff-te-russian/07/},
    author =    {François Le Faucheur},
    title =     {{Russian Dolls Bandwidth Constraints Model for Diffserv-aware MPLS Traffic Engineering}},
    pagetotal = 13,
    year =      2004,
    month =     dec,
    day =       14,
    abstract =  {This document provides specifications for one Bandwidth Constraints Model for Diffserv-aware MPLS Traffic Engineering, which is referred to as the Russian Dolls Model. This memo defines an Experimental Protocol for the Internet community.},
}