Nginx rewrite rules For WordPress

I'm looking for a way to implement WordPress's simple htaccess pretty url rules for Nginx.

BEGIN WordPress

RewriteEngine On RewriteBase /blog/ RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /blog/index.php [L]

END WordPress

update: here are my rules, which seem to work.