User-agent: Googlebot
Allow:

User-agent: Googlebot-Image
Allow:

User-agent: Mediapartners-Google*
Disallow:

User-agent: Adsbot-Google*
Disallow:

User-agent: Googlebot-Mobile
Disallow:

User-agent: Slurp
Disallow:

User-agent: Teoma
Disallow:

User-agent: yahoo-mmcrawler
Allow:

User-agent: ia_archiver
Allow:

User-agent: *
Allow: /