%% You should probably cite rfc4665 instead of this I-D.
@techreport{ietf-l2vpn-requirements-07,
    number =    {draft-ietf-l2vpn-requirements-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-l2vpn-requirements/07/},
    author =    {Yetik Serbest and Waldemar Augustyn},
    title =     {{Service Requirements for Layer 2 Provider-Provisioned Virtual Private Networks}},
    pagetotal = 32,
    year =      2006,
    month =     jun,
    day =       19,
    abstract =  {This document provides requirements for Layer 2 Provider-Provisioned Virtual Private Networks (L2VPNs). It first provides taxonomy and terminology and states generic and general service requirements. It covers point-to-point VPNs, referred to as Virtual Private Wire Service (VPWS), as well as multipoint-to-multipoint VPNs, also known as Virtual Private LAN Service (VPLS). Detailed requirements are expressed from both a customer as well as a service provider perspectives. This memo provides information for the Internet community.},
}