iterating Vector of HashMap using Logic:iterate

[Venkata Phani Kumar]

Hi,
I have a Vector<HashMap>. Each HashMap holds two elements as key  'field1' and 
'filed2'.
Now in jsp page i have to iterate over above vector and have to construt one 
combo box as below
<select name="">
    <option value="field1">field2</option>
</select>

could any body help how to display as above using <logic:iterate>
Regards
Venkata Phanikumar. G