%% You should probably cite draft-ietf-l3vpn-mvpn-extranet instead of this I-D.
@techreport{raggarwa-l3vpn-bgp-mvpn-extranet-08,
    number =    {draft-raggarwa-l3vpn-bgp-mvpn-extranet-08},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-raggarwa-l3vpn-bgp-mvpn-extranet/08/},
    author =    {Rahul Aggarwal and Yakov Rekhter and Thomas Morin and Wim Henderickx and Praveen Muley and Ray Qiu},
    title =     {{Extranet in BGP Multicast VPN (MVPN)}},
    pagetotal = 13,
    year =      2012,
    month =     aug,
    day =       1,
    abstract =  {This document describes clarifications and extensions to the procedures in {[}BGP-MVPN{]} for supporting extranets. The procedures specified in this document assume that BGP is used for transmission of MVPN customers' multicast routing information within the service provider(s) infrastructure.},
}