%% You should probably cite rfc4664 instead of this I-D.
@techreport{ietf-l2vpn-l2-framework-05,
    number =    {draft-ietf-l2vpn-l2-framework-05},
    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-l2vpn-l2-framework/05/},
    author =    {Eric C. Rosen and Loa Andersson},
    title =     {{Framework for Layer 2 Virtual Private Networks (L2VPNs)}},
    pagetotal = 44,
    year =      2004,
    month =     jun,
    day =       28,
    abstract =  {This document provides a framework for Layer 2 Provider Provisioned Virtual Private Networks (L2VPNs). This framework is intended to aid in standardizing protocols and mechanisms to support interoperable L2VPNs. This memo provides information for the Internet community.},
}