root/vendor/acts_as_authenticated/generators/authenticated/templates/signup.rhtml

<%%= error_messages_for :<%= file_name %> %>
<%% form_for :<%= file_name %> do |f| -%>
<p><label for="login">Login</label><br/>
<%%= f.text_field :login %></p>

<p><label for="email">Email</label><br/>
<%%= f.text_field :email %></p>

<p><label for="password">Password</label><br/>
<%%= f.password_field :password %></p>

<p><label for="password_confirmation">Confirm Password</label><br/>
<%%= f.password_field :password_confirmation %></p>

<p><%%= submit_tag 'Sign up' %></p>
<%% end -%>