User-agent: googlebot
Disallow:

User-agent: yahoo-newscrawler
Disallow:

User-agent: Slurp
Disallow:

User-agent: Googlebot
Disallow:

User-agent: msnbot
Disallow:

User-agent: Baiduspider
Disallow:

User-agent: webcrawler
Disallow:

User-agent: lycra
Disallow:

User-agent: *
Disallow: