User-agent: *
Disallow:

User-agent: googlebot
Disallow:

User-agent: yahoobot
Disallow:

User-agent: microsoftbot
Disallow:

User-agent: msnbot
Disallow:

User-agent: bingbot
Disallow:

User-agent: mediapartners-google
Disallow:

User-agent: slurp
Disallow:

User-agent: yandex
Disallow:

User-agent: aolbuild
Disallow:

User-agent: baidu
Disallow: